Home / 19,321.13-26,660.94-10,822.07

Finding the Fourth Proportional to 19,321.13, 26,660.94 and 10,822.07

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Solution

The fourth proportional to 19,321.13, 26,660.94 and 10,822.07 is: 14,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.13 : 26,660.94 = 10,822.07 : x
  2. Step 2: Convert to fraction form
    19,321.13/26,660.94 = 10,822.07/x
  3. Step 3: Cross multiply
    19,321.13x = 26,660.94 × 10,822.07
  4. Step 4: Simplify right side
    19,321.13x = 288,526,558.95
  5. Step 5: Solve for x
    x = 288,526,558.95/19,321.13
  6. Step 6: Final answer
    x = 14,933.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.